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SubjectBoot WARN with patch "regulator: core: Link consumer with regulator driver"
Date
Hi,

I'm seeing the following spew during boot with Tegra210 with the patch
"regulator: core: Link consumer with regulator driver", recently applied
to linux-next:

[ 1.196664] ------------[ cut here ]------------
[ 1.201480] kobject: '(null)' ((____ptrval____)): is not initialized,
yet kobject_put() is being called.
[ 1.219186] WARNING: CPU: 2 PID: 23 at lib/kobject.c:688
kobject_put+0xa4/0xe8
[ 1.230026] Modules linked in:
[ 1.241081] CPU: 2 PID: 23 Comm: kworker/2:0 Not tainted
4.18.0-rc4-next-20180711 #66
[ 1.258637] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT)
[ 1.258651] Workqueue: rcu_gp srcu_invoke_callbacks
[ 1.272055] pstate: 60000005 (nZCv daif -PAN -UAO)
[ 1.272064] pc : kobject_put+0xa4/0xe8
[ 1.272071] lr : kobject_put+0xa4/0xe8
[ 1.272078] sp : ffff000009be3cf0
[ 1.279387] console [ttyS0] disabled
[ 1.283662] x29: ffff000009be3cf0 x28: 0000000000000000
[ 1.283673] x27: ffff8000fb30aeb8 x26: ffff000008e20690
[ 1.283686] x25: ffff0000093e2118 x24: ffff8000fff7b480
[ 1.314668] x23: ffff000008135358 x22: ffff8000fff7b4c0
[ 1.325719] x21: ffff8000fff7b4c8 x20: ffff8000fafae600
[ 1.325727] x19: ffff8000faa54850 x18: 0000000000000010
[ 1.346022] x17: 0000000000000000 x16: 0000000000000000
[ 1.346022] x17: 0000000000000000 x16: 0000000000000000
[ 1.356805] x15: ffffffffffffffff x14: 75705f7463656a62
[ 1.356805] x15: ffffffffffffffff x14: 75705f7463656a62
[ 1.356813] x13: 6f6b20746579202c x12: 64657a696c616974
[ 1.356813] x13: 6f6b20746579202c x12: 64657a696c616974
[ 1.374670] x11: 696e6920746f6e20 x10: 7369203a29295f5f
[ 1.374670] x11: 696e6920746f6e20 x10: 7369203a29295f5f
[ 1.374678] x9 : 5f5f6c6176727470 x8 : ffff0000085c9810
[ 1.404186] x7 : 6220736920292874 x6 : 000000000000000d
[ 1.414785] x5 : 0000000000000000 x4 : 0000000000000000
[ 1.414793] x3 : ffffffffffffffff x2 : ffff000009301010
[ 1.414801] x1 : a7cf02699fb4fa00 x0 : 0000000000000000
[ 1.424623] Call trace:
[ 1.424632] kobject_put+0xa4/0xe8
[ 1.424645] __device_link_free_srcu+0x24/0x48
[ 1.435235] srcu_invoke_callbacks+0xf0/0x170
[ 1.435242] process_one_work+0x1e0/0x318
[ 1.435247] worker_thread+0x40/0x428
[ 1.435259] kthread+0x124/0x128
[ 1.445628] loop: module loaded
[ 1.449599] ---[ end trace ce0b4f0828c5eeaf ]---
[ 1.449619] ------------[ cut here ]------------

After reverting the patch, the kernel boots without the warning.

Thanks,
Mikko

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